In Julia 1.12+, in create_fresh_base_sysimage(), use the BuildSettings mechanism to pass the list of sysimages to include in the fresh (non-incremental) base sysimage

In Julia 1.12+, in create_fresh_base_sysimage(), use the BuildSettings mechanism to pass the list of sysimages to include in the fresh (non-incremental) base sysimage #72